-hou eeee eero eete eeth eetu eext eheh eher eheu ehre ehte eore eoto eoux er-x erer eret erhu eroe eroo erre erro erth ertu eruh erur etee eter eth- ethe etho etoe etoh etox etre etro ette etto ettu etux euer eur- eure euro eurt euth exer exh- exo- exor exrx exte extr heer heet hehe heho heor heou here hero herr hert heru hete heth heto hett hetu heue heur hex- hexe hext hhex hhhh hoer hohe hoho hooe hoor hoot hoox hore horo horr hort hote hoth hoto hotr hott hotu houe hour hout houx hree hrte htet htoh httr huer huet huhu huor huot hure huro hurr hurt huru hute huth huto hutt hutu o-eo oere ohee oher ohho ohoh ohre ohte ohto ohtu ooer ooho oooh oooo oore oort ore- oreh oreo orer orex orhe oro- oroe oror orot orro orte orth orto otee oter othe otho othr oto- otoe otoh otoo otor otre otro otte otto ottu otur ouer our- oure ouro ourt out- oute outh outo ouu- oxer oxo- oxox oxxo reet rehe reht reot reou rere rero rert reru rete reth reto retr rett reue reut reuu reux rexx rhee rheo rhet rhex rhoh rhue roer roet rohe rohr rohu roor root roox rore roro rort roru rote roth roto rotr rott roue rouh rout roux roxo rrrr rtee rtex ruer ruet ruhe ruhh ruhr rure ruro ruru rute ruth ruto rutt rutu teer teet teho tehr teoh teor ter- tere tero terr teru tete teth teto tetr tett tetu tetx teut text the- thee theo ther thet theu thex thoe thoo thor thot thou thre thro thru thtr thue thur toee toeh toer toet toho tohu tooh toor toot tore toro torr tort toru torx tote toth toto totr tott touh tour tout tox- toxo toxt tre- tree treo tret treu trex troe troo trot trou trox trte trtr true trut truu trux tteo tter ttoe tttt tuer tuet tuht tuhu tuor ture turo turr turt turu tute tuto tutt tutu tuuo txtr uext uher uhoh uhuh uor- uore ure- ureh uret urex urho uro- uroo urox urre urrh urte urth urur urut uter uthe utor utto uttu uuuu uxor uxue xeer xer- xero xert xexe xoro xote xoth xout xoxo xtro xuxu xxxo xxxx